package com.example.j2eeapp.commons.dao;

import java.io.Serializable;
import java.util.List;

/** Generic interface for Data Access Objects.  To be extended or implemented.
 * Contains common persistence methods.
 * 
 * @author eg8737
 *
 */
public interface GenericDao<T, ID extends Serializable> {
	
	T save (T entity);
	T update (T entity);
	void delete (T entity);
	T findById(ID id);
	List<T> findAll();
	void flush();

}
